Call Now
Website
Call
Business Details
Emergency
services
Trusted Mechanical Contracting Services in Green Bay, WI
The Reeke-Marold Company has been a cornerstone of the mechanical contracting industry in Northeast Wisconsin since 1896. Originally established as the G. F. Reeke Company, we transitioned to Reeke-Marold Company Inc. in 1961 and have remained family-owned by the Marold family. Our team of skilled professionals delivers mechanical contracting services across wastewater, process piping, commercial HVAC, and fire protection, prioritizing customer satisfaction and quality management. With over a century of experience, we serve diverse sectors including municipal facilities, industrial plants, and healthcare institutions. Our commitment to safety is unwavering, reflected in rigorous training programs and a culture that prioritizes employee well-being.

Affiliated with industry organizations like the National Fire Protection Association and Wisconsin Master Plumbers Association, we maintain a reputation for reliability and expertise. Our emergency services operate 24/7, ensuring minimal downtime for clients, while our preventive maintenance programs are tailored to individual needs. As a charter member of key trade associations, we combine tradition with innovation to meet evolving industry standards. Our legacy of trust and excellence spans generations, supported by long-term client relationships and a workforce dedicated to continuous improvement.
Services
Waste Water Process Commercial HVAC Fire Protection Process Piping Emergency Repairs
Highlights and features
  • Over 125 years of experience in mechanical contracting
  • 24/7 emergency service with rapid response teams
  • UA licensed craftsmen with ongoing technical training
  • NICET-certified fire protection design professionals
  • Longstanding partnerships with major industrial clients
Associations and certifications
  • National Certified Pipe Welding Bureau
  • Mechanical Contractors Association of Wisconsin
  • National Fire Protection Association
  • Wisconsin Master Plumbers Association
What people say
Proven expertise 24/7 emergency support Experienced team Reliable service
Services
Waste Water Process
Specialized installation and maintenance of municipal wastewater treatment systems. Our expertise covers pump stations, underground utilities, and process piping for treatment plants. With experience at over 90% of Northeast Wisconsin's facilities, we provide design assistance and troubleshooting for optimized system performance.
Commercial HVAC
Full-service heating, ventilation, and air conditioning solutions for commercial buildings. We handle projects from small retrofits to large-scale installations in hospitals, universities, and industrial facilities. Our capabilities include chilled water systems, steam boilers, and medical gas certifications for code-compliant climate control.
Fire Protection
Comprehensive fire suppression system design and installation since 1962. Services include wet/dry pipe systems, fire pumps, and NICET-certified inspections. Our 24/7 emergency response team handles retrofits and fast-track installations with computer-aided design for industrial and residential applications.
Process Piping
Precision piping solutions for industrial facilities including paper mills and manufacturing plants. We maintain long-term partnerships with companies like Procter & Gamble, providing on-site maintenance and specialized systems for chemical processing and utility infrastructure.
Emergency Repairs
Around-the-clock mechanical repair services for critical systems. Our trained technicians respond to HVAC failures, plumbing emergencies, and fire protection issues with fully equipped service vehicles to minimize operational downtime for commercial clients.
Questions
What industries do you serve?
We serve municipal facilities, industrial plants, healthcare institutions, and commercial buildings across Northeast Wisconsin and select Midwest locations.
Do you offer emergency services?
Yes, our 24/7 emergency response team handles HVAC, plumbing, and fire protection issues with rapid deployment capabilities.
Are your technicians certified?
Our team includes UA licensed craftsmen, NICET-certified fire protection specialists, and professionals trained in the latest mechanical systems.
How long have you been in business?
We've provided mechanical contracting services since 1896, making us one of Wisconsin's oldest continuously operating contractors.
What service areas do you cover?
Primarily Northeast Wisconsin, with major projects in Cape Girardeau, Wausau, and West De Pere, plus select regional partnerships.
Do you handle large-scale projects?
Yes, our experience ranges from small repairs to comprehensive systems design/build for hospitals, universities, and industrial facilities.